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Sell Construction & Demolition Waste To Verified Aggregate Buyers

Concrete, masonry, and clean fill represent 35% of EU total waste — and most of it is marketable aggregate. SymbioFlows connects C&D sites with nearby buyers and processors.

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370M t/yr

EU C&D waste generation

src: Eurostat 2020

~35%

Share of total EU waste

src: Eurostat 2020

€3–8/t

Recycled aggregate price premium

src: market data

~30%

Gypsum recycling rate (EU)

src: EuRIC 2022

Key Waste Streams — EWC Codes & Buyers

EWC CodeMaterialWho Buys It
17 01 01Concrete RubbleRecycled aggregate producers, road sub-base contractors
17 01 02Brick & Masonry WasteFill contractors, landscapers, brick reclamation
17 02 01Clean Wood WasteBiomass boilers, chipboard manufacturers
17 03 02Bituminous MixturesAsphalt recyclers, road contractors (hot/cold mix)
17 08 02Gypsum-based MaterialsGypsum recyclers (Knauf, Saint-Gobain) for closed-loop
17 05 04Clean Excavated SoilLand-fill operators, brownfield developers

* hazardous under EU Waste Framework Directive 2008/98/EC

Industries That Buy Construction & Demolition Waste

Road Construction

Concrete and brick rubble as road sub-base and fill

Steel & Slag

Gypsum for soil amendment and flue-gas desulfurisation

Cement Industry

Concrete fines and ash as cement replacement

Wood & Biomass

Clean timber for biomass energy or chipboard

Frequently Asked Questions

Explore Related Waste Streams

Concrete Rubble (17 01 01) Gypsum Plasterboard (17 08 02) Asphalt Planings (17 03 02)

Where to Source Materials & Learn More

Waste-stream pages and resources connected to Construction & Demolition.

Cardboard & PaperPaper sludge as component in construction aggregatesPlastic FilmRecycled plastic lumber and profilesMixed PackagingHigh-calorific SRF fraction for cement kiln fuelConcrete & MasonryRecycled aggregate for road sub-base, backfill, and drainage layersWood WasteFormwork and pallet timber to biomass energy or compostingGlass CulletCrushed glass as sand substitute in concrete and asphaltGypsumClosed-loop: plasterboard manufacturers accept sorted offcuts as raw materialSpent SolventsSolvent-bearing waste as alternative fuel (calorific value 20–30 MJ/kg)Pharma WasteHigh-calorific API residues as alternative fuel in cement kilnsTyresTyre-derived fuel (TDF) as coal substitute — 37 MJ/kg calorific valueTextileRecycled insulation boards and acoustic panels from fibre wastePrinting InkHigh-calorific ink residues and sludge as alternative fuelC&D MixedSorted fractions for aggregate recycling, road sub-base, and fillPaint/Varnish WastePaint sludge and varnish waste co-processed as alternative fuel and raw materialFly AshPozzolanic SCM replacing 15–35% Portland cement in concreteBottom AshSecondary aggregate for road sub-base and structural fillFGD GypsumPlasterboard and plaster manufacturing feedstockFoundry SandFine aggregate in concrete, flowable fill, and road baseRefractory BrickCrushed refractory as high-temperature aggregateBenefits of Industrial SymbiosisWhy turning waste streams into off-taker matches creates measurable economic and environmental valueHow the Engine WorksHow SymbioFlows characterises a residue and checks each route against published standardsCircular Economy GuideA practical introduction to closing material loops between industries

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Learn about the financial and environmental benefits of industrial symbiosis